void UBGraphicsVideoItemDelegate::buildButtons()
{
mPlayPauseButton = new DelegateButton(":/images/play.svg", mDelegated, mFrame);
mStopButton = new DelegateButton(":/images/stop.svg", mDelegated, mFrame);
mStopButton->hide();
if (delegated()->isMuted())
mMuteButton = new DelegateButton(":/images/soundOff.svg", mDelegated, mFrame);
else
mMuteButton = new DelegateButton(":/images/soundOn.svg", mDelegated, mFrame);
mMuteButton->hide();
mVideoControl = new DelegateVideoControl(delegated(), mFrame);
mVideoControl->setZValue(UBGraphicsScene::toolLayerStart + 2);
mVideoControl->setFlag(QGraphicsItem::ItemIsSelectable, true);
connect(mPlayPauseButton, SIGNAL(clicked(bool)), this, SLOT(togglePlayPause()));
connect(mStopButton, SIGNAL(clicked(bool)), mMedia, SLOT(stop()));
connect(mMuteButton, SIGNAL(clicked(bool)), delegated(), SLOT(toggleMute()));
connect(mMuteButton, SIGNAL(clicked(bool)), this, SLOT(toggleMute()));
mButtons << mPlayPauseButton << mStopButton << mMuteButton;
mMedia->setTickInterval(50);
connect(mMedia, SIGNAL(stateChanged (Phonon::State, Phonon::State)), this, SLOT(mediaStateChanged (Phonon::State, Phonon::State)));
connect(mMedia, SIGNAL(finished()), this, SLOT(updatePlayPauseState()));
connect(mMedia, SIGNAL(tick(qint64)), this, SLOT(updateTicker(qint64)));
connect(mMedia, SIGNAL(totalTimeChanged(qint64)), this, SLOT(totalTimeChanged(qint64)));
}
void UBGraphicsMediaItemDelegate::buildButtons()
{
if(!mPlayPauseButton){
mPlayPauseButton = new DelegateButton(":/images/play.svg", mDelegated, mToolBarItem, Qt::TitleBarArea);
connect(mPlayPauseButton, SIGNAL(clicked(bool)),
this, SLOT(togglePlayPause()));
mStopButton = new DelegateButton(":/images/stop.svg", mDelegated, mToolBarItem, Qt::TitleBarArea);
connect(mStopButton, SIGNAL(clicked(bool)),
delegated(), SLOT(stop()));
mMediaControl = new DelegateMediaControl(delegated(), mToolBarItem);
mMediaControl->setFlag(QGraphicsItem::ItemIsSelectable, true);
UBGraphicsItem::assignZValue(mMediaControl, delegated()->zValue());
if (delegated()->isMuted())
mMuteButton = new DelegateButton(":/images/soundOff.svg", mDelegated, mToolBarItem, Qt::TitleBarArea);
else
mMuteButton = new DelegateButton(":/images/soundOn.svg", mDelegated, mToolBarItem, Qt::TitleBarArea);
connect(mMuteButton, SIGNAL(clicked(bool)),
delegated(), SLOT(toggleMute()));
connect(mMuteButton, SIGNAL(clicked(bool)),
this, SLOT(toggleMute())); // for changing button image
mToolBarButtons << mPlayPauseButton << mStopButton << mMuteButton;
mToolBarItem->setItemsOnToolBar(QList<QGraphicsItem*>() << mPlayPauseButton << mStopButton << mMediaControl << mMuteButton );
mToolBarItem->setVisibleOnBoard(true);
mToolBarItem->setShifting(false);
if (!mToolBarShowTimer) {
if (delegated()->hasLinkedImage()) {
mToolBarShowTimer = new QTimer();
mToolBarShowTimer->setInterval(m_iToolBarShowingInterval);
connect(mToolBarShowTimer, SIGNAL(timeout()), this, SLOT(hideToolBar()));
}
}
else {
connect(mPlayPauseButton, SIGNAL(clicked(bool)),
mToolBarShowTimer, SLOT(start()));
connect(mStopButton, SIGNAL(clicked(bool)),
mToolBarShowTimer, SLOT(start()));
connect(mMediaControl, SIGNAL(used()),
mToolBarShowTimer, SLOT(start()));
connect(mMuteButton, SIGNAL(clicked(bool)),
mToolBarShowTimer, SLOT(start()));
}
positionHandles();
}
void UBGraphicsVideoItemDelegate::remove(bool canUndo)
{
if (delegated() && delegated()->mediaObject())
delegated()->mediaObject()->stop();
QGraphicsScene* scene = mDelegated->scene();
scene->removeItem(mVideoControl);
UBGraphicsItemDelegate::remove(canUndo);
}
void UBGraphicsDelegateFrame::initializeTransform()
{
QTransform itemTransform = delegated()->sceneTransform();
QRectF itemRect = delegated()->boundingRect();
QPointF topLeft = itemTransform.map(itemRect.topLeft());
QPointF topRight = itemTransform.map(itemRect.topRight());
QPointF bottomLeft = itemTransform.map(itemRect.bottomLeft());
qreal horizontalFlip = (topLeft.x() > topRight.x()) ? -1 : 1;
mMirrorX = horizontalFlip < 0 ;
if(horizontalFlip < 0) {
// why this is because of the way of calculating the translations that checks which side is the most is the
// nearest instead of checking which one is the left side.
QPointF tmp = topLeft;
topLeft = topRight;
topRight = tmp;
// because of the calculation of the height is done by lenght and not deltaY
bottomLeft = itemTransform.map(itemRect.bottomRight());
}
qreal verticalFlip = (bottomLeft.y() < topLeft.y()) ? -1 : 1;
// not sure that is usefull
mMirrorY = verticalFlip < 0;
if(verticalFlip < 0 && !mMirrorX) {
topLeft = itemTransform.map(itemRect.bottomLeft());
topRight = itemTransform.map(itemRect.bottomRight());
bottomLeft = itemTransform.map(itemRect.topLeft());
}
QLineF topLine(topLeft, topRight);
QLineF leftLine(topLeft, bottomLeft);
qreal width = topLine.length();
qreal height = leftLine.length();
mAngle = topLine.angle();
// the fact the the length is used we loose the horizontalFlip information
// a better way to do this is using DeltaX that preserve the direction information.
mTotalScaleX = (width / itemRect.width()) * horizontalFlip;
mTotalScaleY = height / itemRect.height() * verticalFlip;
QTransform tr;
QPointF center = delegated()->boundingRect().center();
tr.translate(center.x() * mTotalScaleX, center.y() * mTotalScaleY);
tr.rotate(-mAngle);
tr.translate(-center.x() * mTotalScaleX, -center.y() * mTotalScaleY);
tr.scale(mTotalScaleX, mTotalScaleY);
mTotalTranslateX = delegated()->transform().dx() - tr.dx();
mTotalTranslateY = delegated()->transform().dy() - tr.dy();
}
UBGraphicsMediaItemDelegate::UBGraphicsMediaItemDelegate(UBGraphicsMediaItem* pDelegated, QObject * parent)
: UBGraphicsItemDelegate(pDelegated, parent, GF_COMMON
| GF_RESPECT_RATIO
| GF_TOOLBAR_USED)
, mPlayPauseButton(NULL)
, mToolBarShowTimer(NULL)
, m_iToolBarShowingInterval(5000)
{
QPalette palette;
palette.setBrush ( QPalette::Light, Qt::darkGray );
if (delegated()->isMuted())
delegated()->setMute(true);
}
void UBGraphicsDelegateFrame::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
mDelegate->startUndoStep();
mStartingPoint = event->scenePos();
initializeTransform();
mScaleX = 1;
mScaleY = 1;
mTranslateX = 0;
mTranslateY = 0;
mAngleOffset = 0;
mInitialTransform = buildTransform();
mOriginalSize = delegated()->boundingRect().size();
mCurrentTool = toolFromPos(event->pos());
setCursorFromAngle(QString::number((int)mAngle % 360));
event->accept();
if (moving())
prepareFramesToMove(getLinkedFrames());
}
void UBGraphicsVideoItemDelegate::updateTicker(qint64 time)
{
Phonon::MediaObject* media = delegated()->mediaObject();
mVideoControl->totalTimeChanged(media->totalTime());
mVideoControl->updateTicker(time);
}
void UBGraphicsVideoItemDelegate::toggleMute()
{
if (delegated()->isMuted())
mMuteButton->setFileName(":/images/soundOff.svg");
else
mMuteButton->setFileName(":/images/soundOn.svg");
}
void UBGraphicsVideoItemDelegate::updatePlayPauseState()
{
Phonon::MediaObject* media = delegated()->mediaObject();
if (media->state() == Phonon::PlayingState)
mPlayPauseButton->setFileName(":/images/pause.svg");
else
mPlayPauseButton->setFileName(":/images/play.svg");
}
/**
* @brief Show the toolbar (play/pause, seek, mute).
*
* The toolbar then auto-hides after a set amount of time, if the video is currently
* playing or is paused.
*/
void UBGraphicsMediaItemDelegate::showToolBar(bool autohide)
{
mToolBarItem->show();
if (mToolBarShowTimer) {
if (delegated()->isPlaying() || delegated()->isPaused())
mToolBarShowTimer->start();
else
mToolBarShowTimer->stop();
// Don't hide the toolbar if we're at the beginning of the video
if (delegated()->mediaPosition() == delegated()->initialPos())
mToolBarShowTimer->stop();
// Don't hide the toolbar if it was explicitly requested
if (!autohide)
mToolBarShowTimer->stop();
}
}
QSizeF UBGraphicsDelegateFrame::resizeDelegate(qreal moveX, qreal moveY)
{
QSizeF incVector;
mFixedPoint = getFixedPointFromPos();
UBResizableGraphicsItem* resizableItem = dynamic_cast<UBResizableGraphicsItem*>(delegated());
if (resizableItem)
{
incVector = getResizeVector(moveX, moveY);
resizableItem->resize(mOriginalSize + incVector);
if (resizingTop() || resizingLeft() || ((mMirrorX || mMirrorY) && resizingBottomRight()))
{
QPointF pos1 = getFixedPointFromPos();
delegated()->setPos(delegated()->pos()-pos1+mFixedPoint);
}
}
return incVector;
}
QList<UBGraphicsDelegateFrame *> UBGraphicsDelegateFrame::getLinkedFrames()
{
QList<UBGraphicsDelegateFrame*> linkedFrames;
QList<QGraphicsItem*> sItems = mDelegate->delegated()->scene()->selectedItems();
if (sItems.count())
{
sItems.removeAll(delegated());
foreach(QGraphicsItem *item, sItems)
{
UBGraphicsItem *gitem = dynamic_cast<UBGraphicsItem*>(item);
if (gitem)
linkedFrames << gitem->Delegate()->frame();
}
QPointF UBGraphicsDelegateFrame::getFixedPointFromPos()
{
QPointF fixedPoint;
if (!moving() && !rotating())
{
if (resizingTop())
{
if (mMirrorX && mMirrorY)
{
if ((0 < mAngle) && (mAngle < 90))
fixedPoint = delegated()->sceneBoundingRect().topLeft();
else
fixedPoint = delegated()->sceneBoundingRect().topRight();
}
else
{
if ((0 < mAngle) && (mAngle <= 90))
fixedPoint = delegated()->sceneBoundingRect().bottomRight();
else
fixedPoint = delegated()->sceneBoundingRect().bottomLeft();
}
}
else if (resizingLeft())
{
if (mMirrorX && mMirrorY)
{
if ((0 < mAngle) && (mAngle < 90))
fixedPoint = delegated()->sceneBoundingRect().bottomLeft();
else
fixedPoint = delegated()->sceneBoundingRect().topLeft();
}
else
{
if ((0 < mAngle) && (mAngle <= 90))
fixedPoint = delegated()->sceneBoundingRect().topRight();
else
fixedPoint = delegated()->sceneBoundingRect().bottomRight();
}
}
}
return fixedPoint;
}
void UBGraphicsVideoItemDelegate::togglePlayPause()
{
if (delegated() && delegated()->mediaObject())
{
Phonon::MediaObject* media = delegated()->mediaObject();
if (media->state() == Phonon::StoppedState)
{
media->play();
}
else if (media->state() == Phonon::PlayingState)
{
if (media->remainingTime() <= 0)
{
media->stop();
media->play();
}
else
{
media->pause();
if(delegated()->scene())
delegated()->scene()->setModified(true);
}
}
else if (media->state() == Phonon::PausedState)
{
if (media->remainingTime() <= 0)
{
media->stop();
}
media->play();
}
else if ( media->state() == Phonon::LoadingState ){
delegated()->mediaObject()->setCurrentSource(delegated()->mediaFileUrl());
media->play();
}
else{
qDebug() << "Media state "<< media->state() << " not supported";
}
}
}
UBGraphicsTextItemDelegate::UBGraphicsTextItemDelegate(UBGraphicsTextItem* pDelegated, QObject * parent)
: UBGraphicsItemDelegate(pDelegated,0, parent, true)
, mLastFontPixelSize(-1)
, delta(5)
{
delegated()->setData(UBGraphicsItemData::ItemEditable, QVariant(true));
delegated()->setPlainText("");
QTextCursor curCursor = delegated()->textCursor();
QTextCharFormat format;
QFont font(createDefaultFont());
font.setPointSize(UBSettings::settings()->fontPointSize());
format.setFont(font);
curCursor.mergeCharFormat(format);
delegated()->setTextCursor(curCursor);
delegated()->setFont(font);
delegated()->adjustSize();
delegated()->contentsChanged();
// NOOP
}
void UBGraphicsDelegateFrame::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
if (None == mCurrentTool)
return;
QLineF move = QLineF(mStartingPoint, event->scenePos());
qreal moveX = move.length() * cos((move.angle() - mAngle) * PI / 180);
qreal moveY = -move.length() * sin((move.angle() - mAngle) * PI / 180);
qreal width = delegated()->boundingRect().width() * mTotalScaleX;
qreal height = delegated()->boundingRect().height() * mTotalScaleY;
if (mOperationMode == Scaling)
{
if(!rotating())
{
mTranslateX = moveX;
// Perform the resize
if (resizingBottomRight())
{
// -----------------------------------------------------
// ! We want to keep the aspect ratio with this resize !
// -----------------------------------------------------
qreal scaleX;
qreal scaleY;
if(!mMirrorX) {
scaleX = (width + moveX) / width;
} else {
scaleX = (width - moveX) / width;
}
if(!mMirrorY) {
scaleY = (height + moveY) / height;
} else {
scaleY = (height - moveY) / height;
}
qreal scaleFactor = (scaleX + scaleY) / 2;
// Do not allow resizing of image size under frame size
if (canResizeBottomRight(width, height, scaleFactor))
{
if (mRespectRatio)
{
mScaleX = scaleFactor;
mScaleY = scaleFactor;
}
else
{
mScaleX = scaleX;
mScaleY = scaleY;
}
}
} else if (resizingLeft() || resizingRight())
{
if(width != 0) {
qreal scaleX = 0.0;
if(resizingLeft()) {
scaleX = (width - moveX) / width;
} else if(resizingRight()) {
scaleX = (width + moveX) / width;
}
if(mDelegate->isFlippable() && qAbs(scaleX) != 0) {
if((qAbs(width * scaleX)) < 2*mFrameWidth) {
bool negative = (scaleX < 0)?true:false;
if(negative) {
if(mMirrorX)
scaleX = 2*mFrameWidth/width;
else
scaleX = -2*mFrameWidth/width;
} else {
scaleX = -1;
mFlippedX = !mFlippedX;
}
}
mScaleX = scaleX;
} else if (scaleX > 1 || (width * scaleX) > 2 * mFrameWidth) {
mScaleX = scaleX;
if(resizingLeft()) {
mTranslateX = moveX;
}
}
}
} else if(resizingTop() || resizingBottom()) {
if(height != 0) {
qreal scaleY = 0.0;
if(resizingTop()) {
scaleY = (height - moveY) / height;
} else if(resizingBottom()) {
scaleY = (height + moveY) / height;
}
if(mDelegate->isFlippable() && qAbs(scaleY) != 0) {
if((qAbs(height * scaleY)) < 2*mFrameWidth) {
bool negative = (scaleY < 0)?true:false;
if(negative) {
if(mMirrorY)
scaleY = 2*mFrameWidth/width;
else
scaleY = -2*mFrameWidth/width;
} else {
scaleY = -1;
mFlippedY = !mFlippedY;
}
}
mScaleY = scaleY;
} else if (scaleY > 1 || (height * scaleY) > 2 * mFrameWidth)
{
mScaleY = scaleY;
if(resizingTop()) {
mTranslateY = moveY;
}
}
}
}
}
}
if (rotating())
{
mTranslateX = 0;
mTranslateY = 0;
QLineF startLine(sceneBoundingRect().center(), event->lastScenePos());
QLineF currentLine(sceneBoundingRect().center(), event->scenePos());
mAngle += startLine.angleTo(currentLine);
if ((int)mAngle % 45 >= 45 - mAngleTolerance || (int)mAngle % 45 <= mAngleTolerance)
{
mAngle = qRound(mAngle / 45) * 45;
mAngleOffset += startLine.angleTo(currentLine);
if ((int)mAngleOffset % 360 > mAngleTolerance && (int)mAngleOffset % 360 < 360 - mAngleTolerance)
{
mAngle += mAngleOffset;
mAngleOffset = 0;
}
}
else if ((int)mAngle % 30 >= 30 - mAngleTolerance || (int)mAngle % 30 <= mAngleTolerance)
{
mAngle = qRound(mAngle / 30) * 30;
mAngleOffset += startLine.angleTo(currentLine);
if ((int)mAngleOffset % 360 > mAngleTolerance && (int)mAngleOffset % 360 < 360 - mAngleTolerance)
{
mAngle += mAngleOffset;
mAngleOffset = 0;
}
}
setCursorFromAngle(QString::number((int)mAngle % 360));
}
else if (moving())
{
mTranslateX = move.dx();
mTranslateY = move.dy();
moveLinkedItems(move);
}
if (mOperationMode == Scaling || moving() || rotating())
{
QTransform tr = buildTransform();
if (resizingRight() || resizingBottom() || resizingBottomRight())
{
QPointF ref;
// we just detects coordinates of corner before and after scaling and then moves object at diff between them.
if (resizingBottomRight() && (mMirrorX || mMirrorY))
{
if (mFlippedX && !mMirrorX && mFlippedY)// && !mMirrorY)
{
mTranslateX += mInitialTransform.map(delegated()->boundingRect().bottomLeft()).x() - tr.map(delegated()->boundingRect().bottomLeft()).x();
mTranslateY += mInitialTransform.map(delegated()->boundingRect().bottomLeft()).y() - tr.map(delegated()->boundingRect().bottomLeft()).y();
}
else if ((mFlippedX || mMirrorX) && (mFlippedY || mMirrorY))
{
mTranslateX += mInitialTransform.map(delegated()->boundingRect().bottomRight()).x() - tr.map(delegated()->boundingRect().bottomRight()).x();
mTranslateY += mInitialTransform.map(delegated()->boundingRect().bottomRight()).y() - tr.map(delegated()->boundingRect().bottomRight()).y();
}
else if (mFlippedX || mMirrorX)
{
mTranslateX += mInitialTransform.map(delegated()->boundingRect().topRight()).x() - tr.map(delegated()->boundingRect().topRight()).x();
mTranslateY += mInitialTransform.map(delegated()->boundingRect().topRight()).y() - tr.map(delegated()->boundingRect().topRight()).y();
}
else if (mFlippedY || mMirrorY)
{
mTranslateX += mInitialTransform.map(delegated()->boundingRect().bottomLeft()).x() - tr.map(delegated()->boundingRect().bottomLeft()).x();
mTranslateY += mInitialTransform.map(delegated()->boundingRect().bottomLeft()).y() - tr.map(delegated()->boundingRect().bottomLeft()).y();
}
else
{
mTranslateX += mInitialTransform.map(delegated()->boundingRect().bottomRight()).x() - tr.map(delegated()->boundingRect().bottomRight()).x();
mTranslateY += mInitialTransform.map(delegated()->boundingRect().bottomRight()).y() - tr.map(delegated()->boundingRect().bottomRight()).y();
}
}
else
{
mTranslateX += mInitialTransform.map(delegated()->boundingRect().topLeft()).x() - tr.map(delegated()->boundingRect().topLeft()).x();
mTranslateY += mInitialTransform.map(delegated()->boundingRect().topLeft()).y() - tr.map(delegated()->boundingRect().topLeft()).y();
}
}
else if (resizingTop() || resizingLeft())
{
QPointF bottomRight = tr.map(delegated()->boundingRect().bottomRight());
QPointF fixedPoint = mInitialTransform.map(delegated()->boundingRect().bottomRight());
mTranslateX += fixedPoint.x() - bottomRight.x();
mTranslateY += fixedPoint.y() - bottomRight.y();
}
delegated()->setTransform(buildTransform());
}
else // resizing/resizing horizontally
{
if (resizingBottomRight())
{
static QSizeF incV = QSizeF();
static QSizeF incH = QSizeF();
if (mMirrorX && mMirrorY)
mCurrentTool = ResizeTop;
else
mCurrentTool = ResizeBottom;
incV = resizeDelegate(moveX, moveY);
mOriginalSize += incV;
if (mMirrorX && mMirrorY)
mCurrentTool = ResizeLeft;
else
mCurrentTool = ResizeRight;
move = QLineF(event->lastScenePos(), event->scenePos());
moveX = move.length() * cos((move.angle() - mAngle) * PI / 180);
moveY = -move.length() * sin((move.angle() - mAngle) * PI / 180);
mFixedPoint = getFixedPointFromPos();
incH = resizeDelegate(moveX, moveY);
mOriginalSize -= incV;
mOriginalSize += incH;
mCurrentTool = ResizeBottomRight;
}
else
resizeDelegate(moveX, moveY);
}
event->accept();
}
void UBGraphicsTextItemDelegate::contentsChanged()
{
positionHandles();
delegated()->contentsChanged();
}
